Cat fight on the catwalk! Gigi and Bella Hadid are BOTH strutting their stuff this year in the Victoria's Secret Fashion Show in Paris and due to their sister rivalry, things will be heated!
Bella Hadid shows off her toned tummy while working out at Gotham Gym in preparation for Victoria's Secret show in NYC
"Bella is determined to outshine her big sister," a source told Heat. "She has always felt like she's the underdog, living in Gigi's shadow, and views her Victoria's Secret debut as her chance to steal the show."
Gigi Hadid all legs
And Bella's plan to do that first involves winning the diet war! Both of the Hadid sisters have gotten noticeably thinner over the last year.
Bella Hadid and Gigi Hadid spotted in Milan
The insider revealed that Bella "got down to 99lbs."
Bella Hadid shows off her svelte figure while heading to the gym in New York City
Adding, "She's been preparing for the show most of the year, and even admitted that breaking up with her boyfriend [singer The Weeknd in November] was perfect timing because she dropped 5lbs almost immediately from stress and sadness."
Gigi Hadid is all smiles while wearing a white tunic top in NYC
And even thought Gigi isn't a rookie on the Victoria's Secret catwalk, Bella's weight loss is playing a role on her insecurities about being "considered too fat to be a model."
Bella Hadid celebrates her 20th birthday wearing a very revealing mesh top with The Weekend and mom Yolanda Foster at Up&Down in New York
What do you think of Bella and Gigi's weight war? Let us know your thoughts in the comments section!